#511A37
Closest named color: Burgundy (#610023). oklch(31.4% 0.089 350.8), rgb(81, 26, 55).
Aa
White text reads best on this color (13.52:1).
About this color
#511A37 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.089 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.050 away. White text reads best on it, at 13.52:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.55:1 |
| White text | 13.52:1 |
Values
| HEX | #511A37 |
| RGB | rgb(81, 26, 55) |
| HSL | hsl(328, 51%, 21%) |
| OKLCH | oklch(31.4% 0.089 350.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #511A37 | 13.52:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #511A37 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #511A37 text on white | 13.52:1 | AAA | Lc 99.5 | Preferred for body text |
| #511A37 text on black | 1.55:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#FEF2F7
oklch(97.2% 0.014 350.1)
-
Step 100
100
#FBE2EC
oklch(93.6% 0.03 351.5)
-
Step 200
200
#F9CADE
oklch(88.5% 0.059 350.9)
-
Step 300
300
#F5A4C9
oklch(80.8% 0.106 350.8)
-
Step 400
400
#EC6EAE
oklch(70.7% 0.17 350.6)
-
Step 500
500
#E23D9A
oklch(63.1% 0.217 350.7)
-
Step 600
600
#CC0084
oklch(55.6% 0.231 350.8)
-
Step 700
700
#AC006F
oklch(49% 0.204 350.6)
-
Step 800
800
#8F005B
oklch(42.8% 0.178 350.9)
-
Step 900
900
#74114B
oklch(37.8% 0.142 350.8)
-
Step 950
950 (this color)
#511A37
oklch(31.4% 0.089 350.8)
#511A37 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #212838 | 0.099 |
| Deuteranopia (no green cones) | #313236 | 0.088 |
| Tritanopia (no blue cones) | #571726 | 0.032 |
| Achromatopsia (no color) | #2E2E2E | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511A37
#511A37
oklch(31.4% 0.089 350.8)
- #003B2D
#003B2D
oklch(31.4% 0.061 171)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #511A37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.050
- Grape Purple #5D1451 ΔE 0.054
- Deep Violet #490648 ΔE 0.058
- Eggplant Purple #430541 ΔE 0.062
- Plum Purple #4E0550 ΔE 0.064
- Aubergine #3D0734 ΔE 0.066
- Claret #680018 ΔE 0.068
- Dark Plum #3F012C ΔE 0.070
Use #511A37 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.